New Holland 3530 – New Holland Engine: NOx Sensor Failure – Short Circuit

The system has detected a short circuit in the NOx sensor, which is responsible for monitoring nitrogen oxide levels in the exhaust. This fault may affect engine performance and emissions control.

1. 1

   The wiring and connections of the NOx sensor

2. 2

   The integrity of the NOx sensor itself

3. 3

   The circuit for the NOx sensor

1. 1

   Inspect

   Inspect the wiring and connections of the NOx sensor for damage, corrosion, or loose contacts.

2. 2

   Test

   Test the NOx sensor and its circuit for continuity and resistance using a multimeter, following the service manual procedures.

3. 3

   Replace

   If a fault is confirmed, replace the NOx sensor or repair the affected circuit as required.